The following was received via email from the Commonwealth of Pennsylvania:
Notifications: The [Pennsylvania] Department [Bureau of Radiation Protection] was notified on 12/18/2014 of a shutter malfunction. This event is reportable within 24-hours per 10 CFR 30.50(b)(2).
Event Description: An operator tried to open the shutter handle, and it was hard to move. When the shutter did move, it spun freely and was put in the open position but no activity was observed. However, when the shutter was placed in the closed position activity was seen, thus verifying a malfunction.
Manufacturer: Berthold Technologies
Model: LB8010
Serial Number: 10204
Isotope: Cs-137
Activity: 20 mCi
Cause of the event: Unknown at this time, possible sheared roll pin.
Action: Berthold, the manufacturer, was called to fix the damaged shutter handle. The [Pennsylvania] Department [Bureau of Radiation Protection] plans to follow-up with the licensee and the manufacturer. More information will be provided when received.
Event Report ID No: PA140024